Recessed Magnetic Door Sensor NC

This recessed wired magnetic door sensor operates on a normally closed (NC) principle and is designed for integration into home security and burglar alarm systems. It measures 22 mm × 10 mm × 5 mm and weighs approximately 8 g, constructed with durable electronic components for reliable long-term operation. The sensor features stable performance across power, signal, and control circuits, with no moving mechanical parts to wear out. Installation requires minimal tools and follows straightforward wiring guidelines — compatible with standard 2-core alarm cable. Ideal for doors and windows where discreet, flush mounting is required without compromising detection accuracy.